Question

a shopkeepers allows a discount of 10% and still gains 20%.Find the marked price of the article which costs Rs450.


PLEASE ANSWER IT AND YOUR NEXT WEEK WILL GO VERY .

Answer 1

600 will be the answer

Answer 2

cp=rs 450
p%=20%
sp=100+p% / 100 * cp
     100+20 / 100* 450
     120/100*450
    =540
sp=(1-d%)mp
540=(1-10/100)mp
540=(90/100)mp
540*100/90=mp
600=mp

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